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資料編號: | HK-294 |
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中文名稱: | 異株木犀欖 |
學名: | Olea tsoongii [找同屬植物] |
英文名稱: | Dioecious Olive |
植物科名: (APG新系統) | OLEACEAE木犀科 [找同科植物] |
標室舊系統 | OLEACEAE木犀科[找同科] |
生長習性: | 喬木_灌木 |
原生/外來: | 香港原生植物 |
特別特徵: | 單葉對生 |
資料更新: | 20240428 10:48:46 pm |
備註: GBIF: Olea tsoongii is syn of Tetrapilus tsoongii 香港植物標本室: Olea tsoongii (Merr.) P. S. Green FRPS: Olea dioica Roxb. Hort. Beng. var. dioica FoHK Shrubs or trees, 3–20 m tall. Branchlets terete, slightly compressed at nodes, pubescent to glabrous. Leaves leathery; petioles 3–10 mm, pubescent to finely puberulent; leaf blade oblanceolate or elliptic‑lanceolate, 5–10 × 1.5–3.5 cm, base cuneate, apex acuminate or blunt, margin entire or irregularly serrate; lateral veins 5–7 on each side of midvein, obscure or slightly raised on both surfaces. Flowers polygamodioecious, usually in subumbellate groups and rearranged in axillary panicles. Corolla white or yellowish; lobes subrotund, apex cucullate. Staminate flowers: pedicels 1–5 mm, slender; calyx 1–1.5 mm; corolla 2–3.5(–4.5) mm, lobes deltate. Bisexual flowers: pedicels 0–2 mm, stout; calyx 1–1.5 mm; corolla 2–4.5 mm, lobes 0.5–1.5 mm; filament short; anthers elliptic, 0.5– 1 mm; ovary elliptic with a sharp tip; stigma capitate. Drupe blue‑black, elliptic or subglobose, 6–13 × 3–9 mm. 中國植物誌: 灌木或小喬木,高2-12米;樹皮灰色。枝灰白色或灰色,圓柱形,小枝具圓形皮孔,被微柔毛或變無毛,節處壓扁。葉片革質,披針形、倒披針形或長橢圓狀披針形,長5-10厘米,寬1.5-3.7厘米,先端漸尖或鈍,稀圓形,基部楔形,全緣或具不規則疏鋸齒,葉緣稍反捲,上面深綠色,下面淺綠色,除中脈上面有時被微柔毛外,其餘無毛,側脈4-9對,兩面微凹入,常不明顯;葉柄長0.5-1厘米,被微柔毛或變無毛。 聚繖花序圓錐狀,有時成總狀或傘狀,腋生,通常無毛,有時被微柔毛;苞片線形,長1-2毫米;花雜性異株。雄花序長2-10厘米;花梗纖細,長1-3毫米。兩性花序較短,長1-2.5厘米,稀達5厘米;花梗較短粗,長0.5-1.5毫米;花白色或淺黃色;花警長0.2-0.8毫米,裂片卵狀三角形,長為花萼的2/3,先端盔狀,邊緣被短睫毛或幾無毛;花冠管長1-1.5(-2)毫米,裂片卵圓形,長0.5-1毫米;雄蕊幾無花絲,花藥橢圓形,著生於花冠管中部;子房卵狀圓錐形,無毛,柱頭頭狀。果橢圓形或卵形,長0.9-1.4厘米,徑5-8毫米,先端短尖,成熟時黑色 或紫黑色。花期3-7月,果期5-12月。 | |
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